1. he misses his dogs. (add two adjectives and one dependent clause)
2. eileen is having a great day. (add two adverbs, one independent clause, and one figurative language device)

1. When in the boring school, he misses his cuddly dogs.

2. When Eileen is happily having a good day, time flies as quickly as a blink of an eye.

op: object of preposition

i believe the answer is: b. mr. head had a long, tube-like face with a rounded open jaw and a short depressed nose.

this is because in the un-revised sentence it said that mr. heads face was long and tube-like, and he had a rounded open jaw. this is not a very grammatically correct because of how it seems to drag on with the and, replaced with, with, makes it sound more fluent in the description.